IxTheo Classification
[Unassigned]
3,269,308 results
HC New Testament
106,689 results
HB Old Testament
104,462 results
KDB Roman Catholic Church
80,179 results
SB Catholic Church law
74,875 results
KAJ Church history 1914-; recent history
53,611 results
HA Bible
41,268 results
KBB German language area
39,739 results
KDD Protestant Church
39,533 results
CB Christian life; spirituality
36,201 results
KAH Church history 1648-1913; modern history
29,555 results
RB Church office; congregation
28,883 results
KAB Church history 30-500; early Christianity
26,880 results
CD Christianity and Culture
25,151 results
NBE Anthropology
24,123 results
SA Church law; state-church law
23,987 results
VA Philosophy
23,141 results
HH Archaeology
22,742 results
RC Liturgy
22,415 results
KCA Monasticism; religious orders
22,011 results
RF Christian education; catechetics
20,216 results
AD Sociology of religion; religious policy
20,092 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
18,772 results
NBC Doctrine of God
18,306 results
HD Early Judaism
17,772 results
BH Judaism
17,753 results
CG Christianity and Politics
17,527 results
RJ Mission; missiology
17,417 results
CH Christianity and Society
16,778 results
NCC Social ethics
16,346 results
CC Christianity and Non-Christian religion; Inter-religious relations
15,762 results
KBQ North America
15,585 results
KDJ Ecumenism
15,554 results
NCA Ethics
13,989 results
NBF Christology
13,150 results
RG Pastoral care
12,991 results
BJ Islam
12,593 results
KAE Church history 900-1300; high Middle Ages
12,576 results
TC Pre-Christian history ; Ancient Near East
12,569 results
NBP Sacramentology; sacraments
12,343 results
KDG Free church
12,336 results
FD Contextual theology
11,494 results
KBJ Italy
10,657 results
NCF Sexual ethics
10,599 results
AB Philosophy of religion; criticism of religion; atheism
10,319 results
RE Homiletics
10,239 results
NBN Ecclesiology
10,195 results
KBM Asia
10,056 results
KBK Europe (East)
9,920 results
XA Law
9,455 results
NCG Environmental ethics; Creation ethics
9,313 results
AG Religious life; material religion
9,307 results
KBL Near East and North Africa
9,101 results
AA Study of religion
8,953 results
KBN Sub-Saharan Africa
8,947 results
NCD Political ethics
8,923 results
ZB Sociology
8,872 results
CF Christianity and Science
8,656 results
BC Ancient Orient; religion
8,552 results
TK Recent history
8,428 results
KDF Orthodox Church
8,301 results
FA Theology
8,258 results
KCD Hagiography; saints
7,958 results
KAA Church history
7,892 results
ZD Psychology
7,834 results
NBK Soteriology
7,604 results
NAA Systematic theology
7,321 results
NCE Business ethics
7,194 results
KBR Latin America
7,116 results
CE Christian art
7,089 results
KBF British Isles
7,066 results
KBG France
7,015 results
RA Practical theology
7,006 results
NBQ Eschatology
6,776 results
RK Charity work
6,735 results
KBH Iberian Peninsula
6,460 results
RH Evangelization; Christian media
6,373 results
FB Theological education
6,277 results
KCB Papacy
6,164 results
KAF Church history 1300-1500; late Middle Ages
6,116 results
KDE Anglican Church
6,103 results
NBD Doctrine of Creation
6,068 results
ZF Education
6,008 results
KCC Councils
5,671 results
RD Hymnology
5,654 results
AX Inter-religious relations
5,512 results
AZ New religious movements
5,219 results
AE Psychology of religion
5,209 results
TB Antiquity
5,153 results
ZC Politics in general
5,109 results
KAC Church history 500-1500; Middle Ages
4,838 results
KBD Benelux countries
4,699 results
KAD Church history 500-900; early Middle Ages
4,449 results
CA Christianity
4,233 results
NBG Pneumatology; Holy Spirit
4,037 results
NBJ Mariology
4,011 results
ZG Media studies; Digital media; Communication studies
3,742 results
BL Buddhism
3,737 results
VB Hermeneutics; Philosophy
3,688 results
NBA Dogmatics
3,498 results
NAB Fundamental theology
3,402 results
NCB Personal ethics
3,386 results
BE Greco-Roman religions
3,346 results
NBB Doctrine of Revelation
3,291 results
KBC Switzerland
3,233 results
KBE Northern Europe; Scandinavia
3,183 results
TJ Modern history
3,149 results
NCH Medical ethics
3,138 results
SD Church law; Protestant Church
3,016 results
BK Hinduism, Jainism, Sikhism
2,935 results
KBA Western Europe
2,908 results
BF Gnosticism
2,784 results
TE Middle Ages
2,554 results
NBM Doctrine of Justification
2,483 results
TA History
1,921 results
ZA Social sciences
1,805 results
KBS Australia; Oceania
1,796 results
AH Religious education
1,733 results
KDH Christian sects
1,560 results
BB Indigenous religions
1,505 results
NBH Angelology; demonology
1,496 results
NCJ Ethics of science
1,239 results
KDA Church denominations
1,228 results
AF Geography of religion
1,160 results
BM Chinese universism; Confucianism; Taoism
964 results
SE Church law; Orthodox Church
943 results
NBL Doctrine of Predestination
763 results
BG World religions
725 results
TD Late Antiquity
602 results
TG High Middle Ages
569 results
KDC Old Catholic Church
460 results
KBP America
409 results
TH Late Middle Ages
346 results
SC Church law; Anglican Church
327 results
BD Ancient European religions
312 results
TF Early Middle Ages
296 results
BS Traditional African religions
294 results
BN Shinto
249 results
BR Ancient religions of the Americas
205 results
BT Religions of Oceania
28 results